Title: Fatal error: “get_language_attributes” Last modified: February 11, 2025 --- # Fatal error: “get_language_attributes” * Resolved [obm81](https://wordpress.org/support/users/obm81/) * (@obm81) * [1 year, 4 months ago](https://wordpress.org/support/topic/fatal-error-get_language_attributes/) * Hiho, * suddenly, the invoices are not generated any more, I receive the following error: * > Fatal error: WPO\IPS\Documents\OrderDocument::get_language_attributes(): Return > value must be of type string, null returned > /www/htdocs/XXXXXX/dev.dierakete.com/wp-content/plugins/woocommerce-pdf-invoices- > packing-slips/includes/Documents/OrderDocument.php (980)#0 /www/htdocs/XXXXXX/ > dev.dierakete.com/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/ > includes/Documents/OrderDocument.php(989): WPO\IPS\Documents\OrderDocument- > >get_language_attributes() #1 /www/htdocs/XXXXXX/dev.dierakete.com/wp-content/ > plugins/woocommerce-pdf-invoices-packing-slips/templates/Simple/html-document- > wrapper.php(3): WPO\IPS\Documents\OrderDocument->language_attributes() #2 / > www/htdocs/XXXXXX/dev.dierakete.com/wp-content/plugins/woocommerce-pdf-invoices- > packing-slips/includes/Documents/OrderDocument.php(1597): include(‘/www/htdocs/ > v13…’) #3 /www/htdocs/XXXXXX/dev.dierakete.com/wp-content/plugins/woocommerce- > pdf-invoices-packing-slips/includes/Documents/OrderDocument.php(1533): WPO\ > IPS\Documents\OrderDocument->render_template(‘/www/htdocs/v13…’, Array) #4 / > www/htdocs/XXXXXX/dev.dierakete.com/wp-content/plugins/woocommerce-pdf-invoices- > packing-slips/includes/Documents/OrderDocument.php(1457): WPO\IPS\Documents\ > OrderDocument->wrap_html_content(‘\n\n dev.dierakete.com/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/ > includes/Documents/OrderDocument.php(1407): WPO\IPS\Documents\OrderDocument- > >get_html() #6 /www/htdocs/XXXXXX/dev.dierakete.com/wp-content/plugins/woocommerce- > pdf-invoices-packing-slips/includes/Documents/OrderDocument.php(1474): WPO\ > IPS\Documents\OrderDocument->get_pdf() #7 /www/htdocs/XXXXXX/dev.dierakete. > com/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/Main. > php(533): WPO\IPS\Documents\OrderDocument->output_pdf(‘inline’) #8 /www/htdocs/ > v133850/dev.dierakete.com/wp-includes/class-wp-hook.php(324): WPO\IPS\Main- > >generate_document_ajax(”) #9 /www/htdocs/XXXXXX/dev.dierakete.com/wp-includes/ > class-wp-hook.php(348): WP_Hook->apply_filters(”, Array) #10 /www/htdocs/v133850/ > dev.dierakete.com/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #11/ > www/htdocs/XXXXXX/dev.dierakete.com/wp-admin/admin-ajax.php(192): do_action(‘ > wp_ajax_generat…’) #12 {main} * I checked for any wrong / old settings and also re-saved the current ones, but still not working. The overall screen shows “parse error”. I tried debug mode, but no further infos given. Also I use the default templates, just added the logo via settings. Also deleted cache and stuff… * Any ideas? Thank you in advance * Greetings * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ffatal-error-get_language_attributes%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 3 replies - 1 through 3 (of 3 total) * Plugin Contributor [alexmigf](https://wordpress.org/support/users/alexmigf/) * (@alexmigf) * [1 year, 4 months ago](https://wordpress.org/support/topic/fatal-error-get_language_attributes/#post-18298234) * Hi [@obm81](https://wordpress.org/support/users/obm81/), * Sorry to hear that! * Could you test [this beta version](https://github.com/wpovernight/woocommerce-pdf-invoices-packing-slips/releases/download/v4.0.1-beta-1/woocommerce-pdf-invoices-packing-slips.4.0.1-beta-1.zip) and let us know if it resolves the issue? * Thread Starter [obm81](https://wordpress.org/support/users/obm81/) * (@obm81) * [1 year, 4 months ago](https://wordpress.org/support/topic/fatal-error-get_language_attributes/#post-18299022) * Hi [@alexmigf](https://wordpress.org/support/users/alexmigf/) , * the beta version works for me, thx. * Should I keep it installed for now? * Greetings * Plugin Contributor [alexmigf](https://wordpress.org/support/users/alexmigf/) * (@alexmigf) * [1 year, 4 months ago](https://wordpress.org/support/topic/fatal-error-get_language_attributes/#post-18299118) * Yes, until a new version becomes available in your store. Viewing 3 replies - 1 through 3 (of 3 total) The topic ‘Fatal error: “get_language_attributes”’ is closed to new replies. * ![](https://ps.w.org/woocommerce-pdf-invoices-packing-slips/assets/icon-256x256. png?rev=2189942) * [PDF Invoices & Packing Slips for WooCommerce](https://wordpress.org/plugins/woocommerce-pdf-invoices-packing-slips/) * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-pdf-invoices-packing-slips/#faq) * [Support Threads](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/) * [Active Topics](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/unresolved/) * [Reviews](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/reviews/) ## Tags * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/) * [parse-error](https://wordpress.org/support/topic-tag/parse-error/) * 5 replies * 2 participants * Last reply from: [alexmigf](https://wordpress.org/support/users/alexmigf/) * Last activity: [1 year, 4 months ago](https://wordpress.org/support/topic/fatal-error-get_language_attributes/#post-18299118) * Status: resolved